diff options
Diffstat (limited to 'tools/shapegame/dt/README')
| -rw-r--r-- | tools/shapegame/dt/README | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/shapegame/dt/README b/tools/shapegame/dt/README new file mode 100644 index 0000000..ddf45c3 --- /dev/null +++ b/tools/shapegame/dt/README @@ -0,0 +1,34 @@ +Implementation of the distance transform algorithm described in: + +Distance Transforms of Sampled Functions +Pedro F. Felzenszwalb and Daniel P. Huttenlocher +Cornell Computing and Information Science TR2004-1963 +http://people.cs.uchicago.edu/~pff/dt/ + +The main program "dt.cpp" computes the standard distance transform of +a binary image. The algorithm for computing the transform of a +sampled function is in "dt.h". + +1) Type make to compile "dt". + +2) Run "./dt input.pbm output.pgm" to compute the distance transform +of a binary image. The input is a binary PBM image and the output is +a grayscale PGM image. Note that the actual distance values are +scaled to fit in the [0-255] grayscale range. + +The code in this directory is Copyrighted by Pedro Felzenszwalb and is +released under GPL: + + Betreff: Re: Gnu public license for your distance transform code? + Datum: Sun, 29 Jan 2006 19:20:05 -0600 + Von: Pedro Felzenszwalb <pff@cs.uchicago.edu> + An: Olaf Ronneberger <Olaf@Ronneberger.net> + Referenzen: <43DD45AB.1060706@Ronneberger.net> + + Dear Olaf, + + I am glad to hear the code is being used in your software and I am + happy to release it under the GPL. + Do you need me to send you anything in particular? + + Pedro |